Home / 199,435.64-275,226.36-108,793.13

Finding the Fourth Proportional to 199,435.64, 275,226.36 and 108,793.13

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Solution

The fourth proportional to 199,435.64, 275,226.36 and 108,793.13 is: 150,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,435.64 : 275,226.36 = 108,793.13 : x
  2. Step 2: Convert to fraction form
    199,435.64/275,226.36 = 108,793.13/x
  3. Step 3: Cross multiply
    199,435.64x = 275,226.36 × 108,793.13
  4. Step 4: Simplify right side
    199,435.64x = 29,942,735,378.80
  5. Step 5: Solve for x
    x = 29,942,735,378.80/199,435.64
  6. Step 6: Final answer
    x = 150,137.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.